Ecosystems and Rock Types

Which of the following best describes the role of producers in an ecosystem?

• To break down organic matter

• To recycle energy for other organisms

• To convert light energy to usable energy

• To prevent light energy from reaching decomposers

A rock is a compacted piece of soil and ________ .

Name the three different types of rocks that are made in different ways.

Sedimentary rock is made by?

Igneous rock is made by?

• Cool lava

• Soil and minerals

• Rocks and dirt

• climate change

The Law of Superposition is?

• a principle that is used to analyze the fossil record.

• a principle that is used to analyze sediment

• a principle that is used to analyze lava.

• a principle that is used to analyze rocks.

Fossils are mainly found in _________ ____

The Law of Superposition is a principle that is used to analyze the fossil record.  The law states that layers of rocks located

• in lower (bottom) layers are younger than the layers of rock that are in the upper (top) layers.

• in lower (bottom) layers are older than the layers of rock that are in the upper (top) layers.

  
  

• In the lower (bottom) layers are unable to know the exact age.

• In the upper (top) layers the the layer of rock are old.

There are 2 ways to find out how old a fossil is?

• relative dating and gama dating

• radioactive dating and friend dating

• relative dating and radioactive dating

• alpha dating and beta dating

An organism that makes it's own food

• food chain

• food web

• consumer

• producer

Tags

NGSS.5-LS1-1